Natural rosemary refers to the herb Rosmarinus officinalis, which is known for its distinct aroma and culinary uses. Rosemary is a perennial herb that is native to the Mediterranean region but is cultivated and used worldwide. Rosemary is commonly used as a culinary herb to flavor various dishes, such as roasted meats, soups, stews, and vegetables. It can be added to recipes in its dried form or used fresh by stripping the leaves from the stems.